WO2000054732A1 - Composition de vernis a ongle - Google Patents

Composition de vernis a ongle Download PDF

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Publication number
WO2000054732A1
WO2000054732A1 PCT/US2000/006975 US0006975W WO0054732A1 WO 2000054732 A1 WO2000054732 A1 WO 2000054732A1 US 0006975 W US0006975 W US 0006975W WO 0054732 A1 WO0054732 A1 WO 0054732A1
Authority
WO
WIPO (PCT)
Prior art keywords
coating composition
fingernail
nitrocellulose polymer
nitrocellulose
fingernail coating
Prior art date
Application number
PCT/US2000/006975
Other languages
English (en)
Inventor
Mark Yezbick
Original Assignee
Mark Yezbick
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mark Yezbick filed Critical Mark Yezbick
Priority to AU37537/00A priority Critical patent/AU3753700A/en
Publication of WO2000054732A1 publication Critical patent/WO2000054732A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/85—Polyesters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/731—Cellulose; Quaternized cellulose derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q3/00—Manicure or pedicure preparations
    • A61Q3/02—Nail coatings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/59—Mixtures
    • A61K2800/594—Mixtures of polymers

Definitions

  • the present invention relates to a fingernail coating composition providing improved durability of the coating and ease of application, as compared to conventional formulations; more particularly, the present invention utilizes a specific formulation a nitrocellulose polymer and a polyester resin containing plasticizer in a specific total weight and ratio.
  • Patents 3,483,289; 4,421,881 and 3,907,580 are representative of the incorporation of biopolymers into fingernail coating compositions.
  • Other attempts to improve the durability and ease of application of fingernail coating compositions include the addition of methacrylate resins with nitrocellulose, as disclosed for example in U.S. Patent 2,195,971.
  • Existing fingernail coating compositions afford coatings of limited durability and ease of application. Summary of the Invention
  • a fingernail coating composition includes a nitrocellulose polymer and a polyester resin plasticizer, as well as an organic solvent.
  • the nitrocellulose polymer and polyester resin plasticizer together representing 12 to 25 total weight percent of the composition and having a weight ratio of nitrocellulose polymer to polyester resin plasticizer of between 0.3 and 2.0:1.
  • a fingernail coating composition includes a first nitrocellulose polymer having a nitrogen weight percentage content of between 11.5 and 12.2 based on nitrocellulose polymer weight, a second nitrocellulose polymer having a nitrogen weight percentage content of between
  • compositions of the present invention being useful as coating compositions for a fingernail that resist chipping.
  • a commercial package including the fingernail coating composition of the present invention is also provided.
  • the fingernail coating compositions of the present invention exhibit many of the advantages of prior art compositions while improving the durability of the resulting coating.
  • the inventive fingernail coating exhibits excellent durability, rapid drying and ease of application.
  • the term "fingernail coating composition” denotes a cosmetic applied to a fingernail or toenail for the protection and beautification thereof.
  • the fingernail coating compositions of the present invention are particularly well suited as fingernail strengthening base coats, fingernail enamels and pigmented variants thereof.
  • the inventive fingernail coating composition is compatible with fingernail structures.
  • the inventive fingernail composition includes a first nitrocellulose polymer or mixture of several polymer grades to yield a degree of nitration such that the nitrogen weight percentage content of the polymer is between 5 and 30 nitrocellulose polymer weight percent, and the chain length is such that a 70% by weight solution of the first nitrocellulose polymer in ethanol has a viscosity of between 30 and 50 centipoise.
  • the degree if nitration is between 7 and 15 nitrocellulose polymer weight percent.
  • a first nitrocellulose is mixed with at least a second nitrocellulose polymer having a different degree of nitration. The nitrocellulose polymers interacting to form a superior quality film as compared to a formulation containing each individual nitrocellulose polymer alone.
  • a first nitrocellulose polymer having a degree of nitration of between 11.5 and 12.2 weight percent
  • R' second Ultra Parcell Nitrocellulose is formulated with a second nitrocellulose polymer having a degree of nitration such that the nitrogen weight percentage content of the second polymer is between 10.9 and 11.7 nitrocellulose polymer weight percent (e.g. R5 second Ultra Parcell Nitrocellulose).
  • a polyester resin containing plasticizer is also included in the inventive formulation (Uniplex 670-P Plasticizer). Mixing of two nitrocellulose polymers having different degrees of nitration induces a more uniform film formation as compared to conventional formulations. The polyester resin containing plasticizer flexibilizes the resulting coating.
  • the elongation modulus of the polyester resin plasticizer contributes to the durability of the film and represents a ductile coating as compared to conventional nitrocellulose films containing other hydrophobic synthetic polymers such as polymethacrylate.
  • the respective portions of the first nitrocellulose polymer, the second nitrocellulose polymer, additional nitrocellulose polymers, polyester containing plasticizer and solvents are selected to provide a fingernail coating composition optimized for brush or swab application to a nail at a room temperature of about 20 °C.
  • the fingernail coating composition of the present invention contains from about 12 to 25 total weight percent nonvolatile nitrocellulose polymers and polyester resin plasticizer with the remainder being solvent, where the weight ratio of nitrocellulose to plasticizer ranges from 0.3 to 2.0:1. More preferably, the fingernail coating composition contains between 14 and 21 total weight percent nitrocellulose polymers and polyester resin plasticizer.
  • a pigment, dye or fragrance compound is added to the composition in lieu of solvent. Generally, a pigment, dye or fragrance are present from 0.1 to 5% by total weight.
  • a pigment according to the present invention illustratively includes particulates silica; alumina; titania; polymeric particulate, such as dendrimers, polymeric particulate, polystyrene and methacrylate spheres; topically acceptable metal oxides, nitrides, sulfides; and mixtures thereof. It is appreciated that the pigment is intrinsically colored or phosphorescent or alternatively coupled with an organic dye compound.
  • Texturing agents are also operative within the present invention.
  • Texturing agents according to the present invention illustratively include bentonite, colloidal silica, mica, metallic flake, and talc.
  • the amount of texturizing agent operative in the present invention ranges from 0.1 to 4% of the total weight of the composition.
  • a moisturizing agent is also optionally operative in the present invention.
  • Moisturizing agents illustratively include alkylene glycols including ethylene glycol, propylene glycol, dipropylene glycol, butylene glycol; saccharide alcohols such as glycerol, tetratol, pentatol, hexatol and sorbitol, and mixtures thereof.
  • a moisturizing agent according to the present invention accounts for from 0.1 to 5% by total weight of the formulation. While the moisturizing agent according to the present invention is readily added at any stage of the formulation process, preferably the moisturizing agent is added after dissolution in a solvent.
  • the solvent is selected to form a stable clear solution of polymers and plasticizers having a volatility such that the fingernail coating composition of the present invention retains a tack within two to ten minutes after application depending upon ambient temperature with subsequent gradual curing to form well ordered films.
  • the solvent is a mixture of miscible organic solvents illustratively including alkyl phthalates, esters, ketones, aldehydes, ethers, alcohols, toluene, alkanes and the like where the molecular weight of component solvents is generally less than 500. More preferably, the molecular weight is less than 300. Control of the volatility of the solvent is optionally maintained by the use of chemically similar component solvents with varying volatilities.
  • butyl acetate is utilized to solubilize solutes much the same as ethyl acetate yet has a lower vapor pressure.
  • solvent identities and proportions are selected to form azeotropes thereby yielding vaporization characteristics for solvent mixtures resembling single solvents.
  • Azeotropes operative in the present invention are illustratively provided in the Handbook of Chemistry and Physics. 62 nd Ed., CRC Press, Boca Raton, Florida (1981), pp. D3-D33.
  • the fingernail coating composition of the present invention is exemplified more fully by the following illustrative examples.
  • the scope of the invention is not intended to be limited to that depicted in the illustrative example. Examples
  • a nail product formulation is prepared by mixing the following ingredients.
  • the amount of R! nitrocellulose polymer and R5 nitrocellulose polymer each independently varied between 1 and 5 parts by weight nonvolatile polymer and comparable durability resulted.
  • the amount of polyester resin plasticizer is varied from 2 to 6 parts by weight of nonvolatile polyester resin and comparable dried film coatings results.
  • the fingernail coating compositions of the present invention are tested for mechanical durability by applying the formulation to a preformed acrylic simulated nail using a small brush. The resulting coating is dried fifteen minutes and approximately 0.2 weight percent of carbon black is mixed into the fingernail coating composition.
  • a SCOTCH BRIGHT (3M Corporation) abrasive pad is placed on top of the white acrylic synthetic nail which has been overcoated with the fingernail coating composition of the present invention.
  • a one pound weight is placed on top of the SCOTCH BRIGHT pad and the pad agitated until the white of the underlying acrylic substrate is visible.
  • the fingernail coating compositions of the present invention illustrate a greater than 5% duration of abrasion time before the acrylic substrate was visible, as compared to retail fingernail coating compositions.
  • the fingernail coating compositions of the present invention are placed in a commercial package including a one-half ounce glass bottle having a threaded opening.
  • a lid having complementary threads to the bottle and a concentric applicator brush adapted to insert within the bottle opening selectively seals the bottle.
  • Application instructions illustratively include spreading the inventive composition onto a nail surface and waiting approximately ten minutes for solvent evaporation to yield a chip-resistant coating.

Abstract

L'invention concerne une composition de vernis à ongle contenant un polymère de nitrocellulose et un plastifiant de résine de polyester représentant de 12 à 25 pour-cent du poids total de la composition et dont le rapport de poids est de 0,3 à 2 :1. Cette composition de vernis à ongle résiste à l'écaillement et se prête à l'inclusion de pigments, de colorants, de parfums, d'agents de texturation et d'agents hydratants.
PCT/US2000/006975 1999-03-16 2000-03-16 Composition de vernis a ongle WO2000054732A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU37537/00A AU3753700A (en) 1999-03-16 2000-03-16 A fingernail coating composition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12464499P 1999-03-16 1999-03-16
US60/124,644 1999-03-16

Publications (1)

Publication Number Publication Date
WO2000054732A1 true WO2000054732A1 (fr) 2000-09-21

Family

ID=22416040

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/006975 WO2000054732A1 (fr) 1999-03-16 2000-03-16 Composition de vernis a ongle

Country Status (2)

Country Link
AU (1) AU3753700A (fr)
WO (1) WO2000054732A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002043676A1 (fr) * 2000-11-29 2002-06-06 Shiseido Company, Ltd. Produits de soins pour les ongles
WO2015022438A1 (fr) * 2013-09-23 2015-02-19 Bayer Materialscience Ag Nouveaux plastifiants pour vernis à ongles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275807A (en) * 1989-02-16 1994-01-04 Amalia, Inc. Quick-drying nail enamel compositions and method for coating a surface
US5866105A (en) * 1991-05-23 1999-02-02 Novartis Ag Pharmaceutical composition

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275807A (en) * 1989-02-16 1994-01-04 Amalia, Inc. Quick-drying nail enamel compositions and method for coating a surface
US5866105A (en) * 1991-05-23 1999-02-02 Novartis Ag Pharmaceutical composition

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002043676A1 (fr) * 2000-11-29 2002-06-06 Shiseido Company, Ltd. Produits de soins pour les ongles
KR100817393B1 (ko) * 2000-11-29 2008-03-27 가부시키가이샤 시세이도 네일 케어 제품
WO2015022438A1 (fr) * 2013-09-23 2015-02-19 Bayer Materialscience Ag Nouveaux plastifiants pour vernis à ongles
CN105813692A (zh) * 2013-09-23 2016-07-27 科思创德国股份有限公司 用于指甲油的新型增塑剂
US9687436B2 (en) 2013-09-23 2017-06-27 Covestro Deutschland Ag Plasticizers for nail varnish
CN105813692B (zh) * 2013-09-23 2018-12-07 科思创德国股份有限公司 用于指甲油的新型增塑剂

Also Published As

Publication number Publication date
AU3753700A (en) 2000-10-04

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